Home / 312,932.36-469,482.78-161,046.68

Finding the Fourth Proportional to 312,932.36, 469,482.78 and 161,046.68

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Solution

The fourth proportional to 312,932.36, 469,482.78 and 161,046.68 is: 241,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,932.36 : 469,482.78 = 161,046.68 : x
  2. Step 2: Convert to fraction form
    312,932.36/469,482.78 = 161,046.68/x
  3. Step 3: Cross multiply
    312,932.36x = 469,482.78 × 161,046.68
  4. Step 4: Simplify right side
    312,932.36x = 75,608,643,933.52
  5. Step 5: Solve for x
    x = 75,608,643,933.52/312,932.36
  6. Step 6: Final answer
    x = 241,613.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.